Chapter 5: User Interface
LCD User Buttons
Four buttons are located inside the inverter, above the LCD panel and are used for controlling the LCD
menus, as shown below:
Figure 13: LCD internal user buttons
Esc: Moves the cursor to the beginning of the currently displayed parameter; goes to the previous
menu, and cancels a value change with a long press (until Aborted is displayed).
Up (1), Down (2): Moves the cursor from one menu option to another, moves among the characters
of a displayed parameter, and toggles between possible characters when setting a value.
Enter (3): Selects a menu option and accepts a value change with a long press (until Applied is
displayed).
Use the three rightmost buttons for entering 123 when entering the password.
The LCD panel and buttons may be used during the following:
Setup mode: After inverter installation, the field technician may perform basic inverter
configuration, as described in Configuring the Inverter Using the Internal LCD User Buttons on page
29.
Operational mode: The LCD panel allows the user to check that the inverter is working properly.
Refer to Inverter Status Screens on page 36 for a description of this option. Use the LCD light button
to toggle through the informative displays.
Error messages: In the event of a problem, an error message may be displayed on the LCD panel.
Refer to Appendix A: Errors and Troubleshooting on page 50 and to Configuring the Inverter Using the
Internal LCD User Buttons on page 29 for more information.
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